Chicago-based Boeing is under intense scrutiny after two crashes since October killed 346 people.
Saudi Arabia has no immediate plans to allow Boeing 737 MAX aircraft to operate in the kingdom, its transport minister said on Monday, as state airline flyadeal potentially reconsiders an order for the jets.
Families in 35 nations were left bereaved when the plane went down just minutes after takeoff from the highland capital on a flight south to neighbouring Kenya, and nose-dived into a field.
The Wall Street Journal, citing people close to the ongoing investigation, says it has information which "paints a picture of a catastrophic failure that quickly overwhelmed the flight crew".
The national airline said: "As a result of the Public Authority for Civil Aviation directives on suspending operations of Boeing 737 Max, we have cancelled the following flights in the period between 28 March to 30 April 2019".
Finch & Cummins lead Australia to series win
Even though many were skeptical about their performance at the World Cup 2019 , now they'd believe the team will go the distance. The likes of Fakhar Zaman, Babar Azam and Sarfaraz Ahmed - the Pakistan skipper - are rested for the Australia series.
The airline and authorities have refused to comment on leaks from the investigation.
As the company finalises a software upgrade for the grounded 737 Max, it's fighting to hang onto some customers whose confidence in the best-selling jet has been shaken.
The stakes are high, with Boeing trying to hold on to almost 5,000 MAX 737 orders; air safety regulators facing questions over their scrutiny of the aircraft; and airlines and victims' families looking for answers - and potentially compensation.
Sen. Chuck Schumer called on the Federal Aviation Administration to remove Boeing from a federal airline advisory group while the investigation continues into fatal crashes involving two of its jetliners.
Boeing has tried to restore its battered reputation, while continuing to insist the 737 Max is safe.
"That is why I am demanding the FAA both suspend Boeing from this committee and any others until the formal investigation has ended, and to also answer serious questions I have raised", he continued.